Simply set it up, connect it, and you're done - the PondoClear Set 4000 instantaneous filter set. Ponds up to 4000 l, with fish stocking up to 2000 l, are guaranteed to be clear with this complete package consisting of instantaneous filter, filter pump/UVC pre-treatment unit. The powerful filter pump reliably transports coarse dirt particles of up to 4 mm in size to the filter at a rate of 600 l/h. The submersible 7 watt UVC pre-cleaner additionally removes suspended algae from the pond and is finally supported by the multi-stage filter system. Also included is a 3m long 19 mm (3/4") hose and all connections.